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Influence of Prior Martensite on Bainite Transformation, Microstructures, and Mechanical Properties in Ultra-Fine Bainitic Steel. [PDF]
Materials (Basel), 2019 Guo H, Feng X, Zhao A, Li Q, Ma J.
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Crystallographic characterization of steel microstructure using neutron diffraction. [PDF]
Sci Technol Adv Mater, 2019 Tomota Y.
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Technological Properties and Applications of High-Carbon Nanobainitic Steels
Biuletyn Instytutu Spawalnictwa, 2018 Marek St. Węglowski +2 more
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Review of Nanobainite Steel Welding
Advanced Materials Research, 2012Nanobainite steel is a new strong structural material with an ultimate tensile strength of 2500 MPa, and toughness in excess of 30-40 MPam1/2. However, so far, no suitable methods can realize its welding because of poor weldabilities. This paper reviews recent researches on welding of nanobainite steel and points out their merits and demerits.
Kun Fang, Jian Guo Yang, Hong Yuan Fang
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Effect of ausforming on nanobainite steel
Scripta Materialia, 2010The effect of ausforming on kinetics, morphology and crystallography of nanobainite steel was examined by electron backscattered diffraction and transmission electron microscopy. Ausforming has been found to accelerate bainite transformation at 573 K. A characteristic microstructure consisting of blocky bainitic laths and retained austenite is observed
W. Gong, Y. Tomota, M.S. Koo, Y. Adachi
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Extremely high strength achievement in medium-C nanobainite steel
Scripta Materialia, 2018Abstract Nanobainite was produced in medium-C Si-rich steel through ausrolling at 500 °C and subsequent austempering at temperatures slightly above the martensite start temperature. The tensile properties were studied and compared to high-C nanobainite steels.
T S Wang
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Effect of prior martensite on bainite transformation in nanobainite steel
Acta Materialia, 2015Abstract Nanobainite transformation behavior was comparably studied using in situ neutron diffraction measurements, scanning electron microscopy and electron backscatter diffraction observations for two heat treatments: with and without partial quenching before isothermal holding at 523 or 573 K.
Stefanus Harjo
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Effect of austenite grain size on transformation of nanobainite and its mechanical properties
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2016Abstract Nanobainite steels display an excellent combination of outstanding strength and ductility. However, the transformation rate and impact toughness of nanobainite still need to be improved. In this work, the effect of refining austenite grain size to an ultrafine one on bainite transformation and its mechanical properties were investigated ...
Junjie Sun, Yongning Liu
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Acceleration of nanobainite transformation by multi-step ausforming process
Scripta Materialia, 2015The effect of multi-step ausforming with small strain per pass (
Aimin Zhao, Hongliang Fan
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International Journal of Materials Research, 2019
Abstract Nanobainitic structures were produced in a low alloy carburised steel at temperatures of 200, 250 and 300°C. Scanning electron microscope micrographs indicated bainitic ferrites formed with a thickness range of 30–150 nm. Wear test results revealed that the coefficient of friction for nanobainitic samples was smaller and ...
Sasan Yazdani
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Abstract Nanobainitic structures were produced in a low alloy carburised steel at temperatures of 200, 250 and 300°C. Scanning electron microscope micrographs indicated bainitic ferrites formed with a thickness range of 30–150 nm. Wear test results revealed that the coefficient of friction for nanobainitic samples was smaller and ...
Sasan Yazdani
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